Funding for this research was provided by:
the National Nature Science Foundation of China (Grant numbers 31872570 and 31471979)
Received: 24 August 2019
Accepted: 23 September 2019
First Online: 30 October 2019
Ethics approval and consent to participate
: The specimen of <i>G. polyophthalmus</i> was collected from the commercial fishery. This species was not involved in the International Union for Conservation of Nature Red List of Threatened Species. Specimen collection and maintenance were performed in strict accordance with both of the recommendations of Animal Care Quality Assurance in Chinese Mainland and the National Institutes of Health guide for the care and use of Laboratory animals (NIH Publications No. 8023, revised 1978).
: Not applicable.
: The authors declare that they have no competing interests.